Dumbbell rest



FIG. 1 is a perspective view of a dumbbell rest, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right side elevational view thereof, wherein the left sideelevational view is a mirror image thereof.

The broken line portions of the disclosure are for illustrative purposesonly and form no part of the claimed design.

The ornamental design for dumbbell rest, as shown and described.